<?xml version="1.0" encoding="UTF-8"?>

<schema targetNamespace="urn:ietf:params:xml:ns:domain-1.0"
     xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
     xmlns:host="urn:ietf:params:xml:ns:host-1.0"
     xmlns:epp="urn:ietf:params:xml:ns:epp-1.0"
     xmlns:eppcom="urn:ietf:params:xml:ns:eppcom-1.0"
     xmlns="http://www.w3.org/2001/XMLSchema"
     elementFormDefault="qualified">

<!--
Import common element types.
-->
<import namespace="urn:ietf:params:xml:ns:eppcom-1.0"/>
<import namespace="urn:ietf:params:xml:ns:epp-1.0"/>
<import namespace="urn:ietf:params:xml:ns:host-1.0"/>

<annotation>
 <documentation>
   Extensible Provisioning Protocol v1.0
   domain provisioning schema.
 </documentation>
</annotation>

<!--
Child elements found in EPP commands.
-->
<element name="check" type="domain:mNameType"/>
<element name="create" type="domain:createType"/>
<element name="delete" type="domain:sNameType"/>
<element name="info" type="domain:infoType"/>
<element name="renew" type="domain:renewType"/>
<element name="transfer" type="domain:transferType"/>
<element name="update" type="domain:updateType"/>
<!--
Child elements of the <create> command.
-->
<complexType name="createType">
 <sequence>
   <element name="name" type="eppcom:labelType"/>
   <element name="period" type="domain:periodType"
    minOccurs="0"/>
   <element name="ns" type="domain:nsType"
    minOccurs="0"/>
   <element name="registrant" type="eppcom:clIDType"
    minOccurs="0"/>
   <element name="contact" type="domain:contactType"
    minOccurs="0" maxOccurs="unbounded"/>
   <element name="authInfo" type="domain:authInfoType"/>
 </sequence>
</complexType>

<complexType name="periodType">
 <simpleContent>
   <extension base="domain:pLimitType">
     <attribute name="unit" type="domain:pUnitType"
      use="required"/>
   </extension>
 </simpleContent>
</complexType>

<simpleType name="pLimitType">
 <restriction base="unsignedShort">
   <minInclusive value="1"/>
   <maxInclusive value="99"/>
 </restriction>
</simpleType>

<simpleType name="pUnitType">
 <restriction base="token">
   <enumeration value="y"/>
   <enumeration value="m"/>
 </restriction>
</simpleType>

<complexType name="nsType">
 <choice>
   <element name="hostObj" type="eppcom:labelType"
    maxOccurs="unbounded"/>
   <element name="hostAttr" type="domain:hostAttrType"
    maxOccurs="unbounded"/>
 </choice>
</complexType>
<!--
Name servers are either host objects or attributes.
-->

<complexType name="hostAttrType">
 <sequence>
   <element name="hostName" type="eppcom:labelType"/>
   <element name="hostAddr" type="host:addrType"
    minOccurs="0" maxOccurs="unbounded"/>
 </sequence>
</complexType>
<!--
If attributes, addresses are optional and follow the
structure defined in the host mapping.
-->

<complexType name="contactType">
 <simpleContent>
 <extension base="eppcom:clIDType">
     <attribute name="type" type="domain:contactAttrType"/>
   </extension>
 </simpleContent>
</complexType>

<simpleType name="contactAttrType">
 <restriction base="token">
   <enumeration value="admin"/>
   <enumeration value="billing"/>
   <enumeration value="tech"/>
 </restriction>
</simpleType>

<complexType name="authInfoType">
 <choice>
   <element name="pw" type="eppcom:pwAuthInfoType"/>
   <element name="ext" type="eppcom:extAuthInfoType"/>
 </choice>
</complexType>

<!--
Child element of commands that require a single name.
-->
<complexType name="sNameType">
 <sequence>
   <element name="name" type="eppcom:labelType"/>
 </sequence>
</complexType>
<!--
Child element of commands that accept multiple names.
-->
<complexType name="mNameType">
 <sequence>
   <element name="name" type="eppcom:labelType"
    maxOccurs="unbounded"/>
 </sequence>
</complexType>

<!--
Child elements of the <info> command.
-->
<complexType name="infoType">
 <sequence>
   <element name="name" type="domain:infoNameType"/>
   <element name="authInfo" type="domain:authInfoType"
    minOccurs="0"/>
 </sequence>
</complexType>

<complexType name="infoNameType">
 <simpleContent>
   <extension base = "eppcom:labelType">
     <attribute name="hosts" type="domain:hostsType"
      default="all"/>
   </extension>
 </simpleContent>
</complexType>

<simpleType name="hostsType">
 <restriction base="token">
   <enumeration value="all"/>
   <enumeration value="del"/>
   <enumeration value="none"/>
   <enumeration value="sub"/>
 </restriction>
</simpleType>

<!--
Child elements of the <renew> command.
-->
<complexType name="renewType">
 <sequence>
   <element name="name" type="eppcom:labelType"/>
   <element name="curExpDate" type="date"/>
   <element name="period" type="domain:periodType"
    minOccurs="0"/>
 </sequence>
</complexType>

<!--
Child elements of the <transfer> command.
-->
<complexType name="transferType">
 <sequence>
   <element name="name" type="eppcom:labelType"/>
   <element name="period" type="domain:periodType"
    minOccurs="0"/>
   <element name="authInfo" type="domain:authInfoType"
    minOccurs="0"/>
 </sequence>
</complexType>

<!--
Child elements of the <update> command.
-->

<complexType name="updateType">
 <sequence>
   <element name="name" type="eppcom:labelType"/>
   <element name="add" type="domain:addRemType"
    minOccurs="0"/>
   <element name="rem" type="domain:addRemType"
    minOccurs="0"/>
   <element name="chg" type="domain:chgType"
    minOccurs="0"/>
 </sequence>
</complexType>

<!--
Data elements that can be added or removed.
-->
<complexType name="addRemType">
 <sequence>
   <element name="ns" type="domain:nsType"
    minOccurs="0"/>
   <element name="contact" type="domain:contactType"
    minOccurs="0" maxOccurs="unbounded"/>
   <element name="status" type="domain:statusType"
    minOccurs="0" maxOccurs="11"/>
 </sequence>
</complexType>

<!--
Data elements that can be changed.
-->
<complexType name="chgType">
 <sequence>
   <element name="registrant" type="domain:clIDChgType"
    minOccurs="0"/>
   <element name="authInfo" type="domain:authInfoChgType"
    minOccurs="0"/>
 </sequence>
</complexType>

<!--
Allow the registrant value to be nullified by changing the
minLength restriction to "0".
-->
<simpleType name="clIDChgType">
 <restriction base="token">
   <minLength value="0"/>
   <maxLength value="16"/>
 </restriction>
</simpleType>

<!--
Allow the authInfo value to be nullified by including an
empty element within the choice.
-->
<complexType name="authInfoChgType">
 <choice>
   <element name="pw" type="eppcom:pwAuthInfoType"/>
   <element name="ext" type="eppcom:extAuthInfoType"/>
   <element name="null"/>
 </choice>
</complexType>

<!--
Child response elements.
-->
<element name="chkData" type="domain:chkDataType"/>
<element name="creData" type="domain:creDataType"/>
<element name="infData" type="domain:infDataType"/>
<element name="panData" type="domain:panDataType"/>
<element name="renData" type="domain:renDataType"/>
<element name="trnData" type="domain:trnDataType"/>

<!--
<check> response elements.
-->
<complexType name="chkDataType">
 <sequence>
   <element name="cd" type="domain:checkType"
    maxOccurs="unbounded"/>
 </sequence>
</complexType>

<complexType name="checkType">
 <sequence>
   <element name="name" type="domain:checkNameType"/>
   <element name="reason" type="eppcom:reasonType"
    minOccurs="0"/>
 </sequence>
</complexType>

<complexType name="checkNameType">
 <simpleContent>
   <extension base="eppcom:labelType">
     <attribute name="avail" type="boolean"
      use="required"/>
   </extension>
 </simpleContent>
</complexType>

<!--
<create> response elements.
-->
<complexType name="creDataType">
 <sequence>
   <element name="name" type="eppcom:labelType"/>
   <element name="crDate" type="dateTime"/>
   <element name="exDate" type="dateTime"
    minOccurs="0"/>
 </sequence>
</complexType>

<!--
<info> response elements.
-->
<complexType name="infDataType">
 <sequence>
   <element name="name" type="eppcom:labelType"/>
   <element name="roid" type="eppcom:roidType"/>
   <element name="status" type="domain:statusType"
    minOccurs="0" maxOccurs="11"/>
   <element name="registrant" type="eppcom:clIDType"
    minOccurs="0"/>
   <element name="contact" type="domain:contactType"
    minOccurs="0" maxOccurs="unbounded"/>
   <element name="ns" type="domain:nsType"
    minOccurs="0"/>
   <element name="host" type="eppcom:labelType"
    minOccurs="0" maxOccurs="unbounded"/>
   <element name="clID" type="eppcom:clIDType"/>
   <element name="crID" type="eppcom:clIDType"
    minOccurs="0"/>
   <element name="crDate" type="dateTime"
    minOccurs="0"/>
   <element name="upID" type="eppcom:clIDType"
    minOccurs="0"/>
   <element name="upDate" type="dateTime"
    minOccurs="0"/>
   <element name="exDate" type="dateTime"
    minOccurs="0"/>
   <element name="trDate" type="dateTime"
    minOccurs="0"/>
   <element name="authInfo" type="domain:authInfoType"
    minOccurs="0"/>
 </sequence>
</complexType>

<!--
Status is a combination of attributes and an optional
human-readable message that may be expressed in languages other
than English.
-->
<complexType name="statusType">
 <simpleContent>
   <extension base="normalizedString">
     <attribute name="s" type="domain:statusValueType"
      use="required"/>
     <attribute name="lang" type="language"
      default="en"/>
   </extension>
 </simpleContent>
</complexType>

<simpleType name="statusValueType">
 <restriction base="token">
   <enumeration value="clientDeleteProhibited"/>
   <enumeration value="clientHold"/>
   <enumeration value="clientRenewProhibited"/>
   <enumeration value="clientTransferProhibited"/>
   <enumeration value="clientUpdateProhibited"/>
   <enumeration value="inactive"/>
   <enumeration value="ok"/>
   <enumeration value="pendingCreate"/>
   <enumeration value="pendingDelete"/>
   <enumeration value="pendingRenew"/>
   <enumeration value="pendingTransfer"/>
   <enumeration value="pendingUpdate"/>
   <enumeration value="serverDeleteProhibited"/>
   <enumeration value="serverHold"/>
   <enumeration value="serverRenewProhibited"/>
   <enumeration value="serverTransferProhibited"/>
   <enumeration value="serverUpdateProhibited"/>
 </restriction>
</simpleType>

<!--
Pending action notification response elements.
-->
<complexType name="panDataType">
 <sequence>
   <element name="name" type="domain:paNameType"/>
   <element name="paTRID" type="epp:trIDType"/>
   <element name="paDate" type="dateTime"/>
 </sequence>
</complexType>

<complexType name="paNameType">
 <simpleContent>
   <extension base="eppcom:labelType">
     <attribute name="paResult" type="boolean"
      use="required"/>
   </extension>
 </simpleContent>
</complexType>

<!--
<renew> response elements.
-->
<complexType name="renDataType">
<sequence>
 <element name="name" type="eppcom:labelType"/>
 <element name="exDate" type="dateTime"
  minOccurs="0"/>
</sequence>
</complexType>

<!--
<transfer> response elements.
-->
<complexType name="trnDataType">
<sequence>
 <element name="name" type="eppcom:labelType"/>
 <element name="trStatus" type="eppcom:trStatusType"/>
 <element name="reID" type="eppcom:clIDType"/>
 <element name="reDate" type="dateTime"/>
 <element name="acID" type="eppcom:clIDType"/>
 <element name="acDate" type="dateTime"/>
 <element name="exDate" type="dateTime"
  minOccurs="0"/>
</sequence>
</complexType>

<!--
End of schema.
-->
</schema>